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Q9. With reference to a full-wave bridge rectifier using diodes:

(a) sketch a clearly labelled circuit diagram; (4)

(b) explain the circuit operation; (4)

(c) sketch clearly labelled waveforms to show the relationships between the following:

(i) the bridge input voltage; (2)

(ii) the current through each diode; (4)

(iii) the load currents. (2)